NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Sun, Sep 6, 2026 at 4:00:12 pm CDT

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Sunday

Sunday Night

Monday

Extended Weather Outlook

KHGX Radar.

Key Messages: Lingering tropical moisture combined with an upper level disturbance will lead to another round of scattered showers/storms today, especially near and south of I-10. Locally heavy rainfall is possible. Grounds in areas east of I-45 remain very saturated from previous rounds of rainfall. There is a Marginal Risk (level 1 of 4) of Excessive Rainfall for most of Southeast Texas today. Potential Impacts: Localized instances of street flooding, especially in low-lying areas, areas with poor drainage, and areas already saturated from previous rounds of rain. Rainfall rates of 2-3+”/hr possible in the heaviest downpours. Actions: Have multiple ways to receive alerts. Stay up to date with the latest forecasts.

Scattered showers and thunderstorms, especially near and south of I-10. Light SE winds outside of any storms. Highs in the low to mid 90s.

Isolated showers offshore early Monday morning. Light and variable winds. Lows mainly in the mid to upper 70s.

Isolated to scattered showers and thunderstorms along the seabreeze, especially near and south of I-10. Light southeasterly winds outside of any storms. Highs in the 90s.

Daily chances for showers and thunderstorms continues going through the week. Highs will be mainly in the upper 80s/90s with lows in the 70s/lower 80s.

Current Weather Observations...

Location	Time (CDT)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Bryan	15:15	Light Rain \ Lightning Observed	10	91	72	54	SSE 10	99 [HI]	29.92
College Station	14:53	Lightning Observed	10	93	70	47	S 7	99 [HI]	29.90
Caldwell	15:15	Light Rain	7	86	73	66	SSE 10	93 [HI]	29.92
Huntsville	15:29	Lightning Observed	10	79	77	93	SSW 6	-	29.93
Navasota	15:35	Lightning Observed	10	91	75	61	SSW 6	102 [HI]	29.89
Brenham	15:35	Lightning Observed	10	88	75	65	SE 7	98 [HI]	29.91
Conroe	15:37	Light Rain With Thunder \ Mist \ Lightning Observed	3	77	76	96	WNW 6	-	29.94
Cleveland	15:35	Thunder In The Vicinity \ Lightning Observed	10				SW 5G17	-	29.94
Liberty	15:35	Lightning Observed	10	82	77	83	SW 6G13	-	29.89
Columbus	15:35	Lightning Observed	10	80	77	90	ESE 3	-	29.91
Spring	14:53	Light Rain \ Lightning Observed	9	82	79	90	SSW 7	92 [HI]	29.92
Houston Intercontinental Aprt	14:53	Cumulonimbus Clouds Observed	10	85	77	77	S 7	95 [HI]	29.91
Katy/Brookshire	15:35	Clear	10	82	78	88	S 5	91 [HI]	29.93
Texas Medical Center Heliport	15:35	Thunder In The Vicinity \ Lightning Observed	9	82	77	83	WNW 6	-	29.90
Sugar Land	14:53	Mostly Clear	10	81	75	82	CALM	-	29.92
Houston Hobby Airport	14:53	Cumulonimbus Clouds, Lightning Observed	10	89	75	63	WSW 8	99 [HI]	29.90
Arcola/Sienna	15:35	Lightning Observed	10	84	78	82	CALM	94 [HI]	29.93
Pearland	14:53	Mostly Clear	10	87	74	65	SW 6	95 [HI]	29.93
Ellington Field	14:54	Mostly Cloudy	10	89	73	59	SW 3	97 [HI]	29.89
La Porte	15:35	Lightning Observed	10	89	73	59	S 7	97 [HI]	29.90
Wharton	15:35	Clear	10	87	75	67	ENE 9	96 [HI]	29.91
Angleton/Lake Jackson	13:15	Heavy Rain With Thunder	3/4	79	73	82	SSW 14G24	-	29.97
Galveston	14:52	Mostly Cloudy	10	87	77	72	SSE 8	99 [HI]	29.93
Bay City	15:35	Mostly Clear	10	87	77	72	E 9	98 [HI]	29.87
Palacios	14:53	Clear	10	91	72	53	SSE 9	99 [HI]	29.90
Rig 20 Miles SE of Matagorda	15:40		10	91	78	66	ENE 5	106 [HI]	29.96

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